General Radio 1983 Sound Level Calibrator
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General Radio 1983 sound level calibrator with multi-frequency and multi-level outputs for verifying acoustic instrument characteristics per IEC and ANSI standards.
Dettagli prodotto
| Modello | 1983 |
| Produttore | General Radio |
| Categoria | Misuratori di Livello Sonoro |
| Disponibilità | Su ordinazione |
Descrizione
Overview
The General Radio 1983 is a sound level calibrator designed to verify the characteristics of sound-level meters and acoustic instruments in accordance with IEC and ANSI standards. It offers comprehensive testing capabilities with multiple frequency and sound-pressure level outputs, making it essential for calibration and maintenance of acoustic measurement equipment.
Key Features
- Multi-frequency outputs: 125 Hz, 250 Hz, 500 Hz, 1000 Hz, 2000 Hz, 4000 Hz
- Multi-level outputs: 74, 84, 94, 104, or 114 dB re 20 µPa
- Tone burst mode for fast (200 ms) and slow (500 ms) detector response testing at 1000 Hz
- Verifies frequency response and linearity of measurement systems
- Checks indicator scale and level-range control performance
- Portable, battery-operated design
- Resiliently mounted transducer for field calibration use
- Sealed molded plastic case for dust and moisture protection
Applications
- Sound level meter calibration and verification
- Acoustic instrument frequency response testing
- Detector response validation per IEC and ANSI standards
- Field calibration and maintenance of measurement systems
Included Accessories
- Cavity adaptor for GenRad 1-inch microphones
- Adaptor for GenRad 1/2-inch microphones
- Optional adaptor set for various microphone types
Specifiche tecniche
| Frequency Range | 125 Hz to 4000 Hz |
| Frequency Outputs | 125, 250, 500, 1000, 2000, 4000 Hz |
| Sound Pressure Levels | 74, 84, 94, 104, 114 dB re 20 µPa |
| Tone Burst Duration | 200 ms (fast) or 500 ms (slow) |
| Tone Burst Frequency | 1000 Hz |
| Primary Cavity Size | 1-inch microphones |
| Power Source | Battery |
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General Radio 1983 Sound Level Calibrator
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